Nunes, Darlan Miranda, Nilcilene das Graças Medeiros, e Afonso de Paula dos Santos. 2018. “SEMI-AUTOMATIC ROAD NETWORK EXTRACTION FROM DIGITAL IMAGES USING OBJECT-BASED CLASSIFICATION AND MORPHOLOGICAL OPERATORS”. Boletim De Ciências Geodésicas 24 (4). https://revistas.ufpr.br/bcg/article/view/63986.